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110下-數6-2

Authored by 廖家輝 廖家輝

Mathematics

7th Grade

Used 10+ times

110下-數6-2
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5 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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附圖是三年乙班學生第二次段考數學成績的次數分配直方圖,試求:

該班成績的平均數

57.4分

62.4分

67.4分

72.4分

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

附圖是三年乙班學生第二次段考數學成績的次數分配直方圖,試求:

該班成績的中位數是在哪一組?

50~60

60~70

70~80

60~80

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

附圖是三年乙班學生第二次段考數學成績的次數分配直方圖,試求:

該班成績次數最多的是哪一組?

50~60

60~70

70~80

60~80

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

安和社區 10 名健康寶寶的身高 ( 單位:公分 ) 如下:58、64、65、60、62、58、64、62、59、60。試問這 10 名健康寶寶的平均身高是多少公分?

58.0

59.6

60.4

61.2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

有六個數xx+2、2x+1、3x+3、4x、4x+3的算術平均數為14,則中位數為多少?

14.5

15.5

16.5

17.5

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